Home / 158,944.68-219,252.42-99,225

Finding the Fourth Proportional to 158,944.68, 219,252.42 and 99,225

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Solution

The fourth proportional to 158,944.68, 219,252.42 and 99,225 is: 136,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,944.68 : 219,252.42 = 99,225 : x
  2. Step 2: Convert to fraction form
    158,944.68/219,252.42 = 99,225/x
  3. Step 3: Cross multiply
    158,944.68x = 219,252.42 × 99,225
  4. Step 4: Simplify right side
    158,944.68x = 21,755,321,374.50
  5. Step 5: Solve for x
    x = 21,755,321,374.50/158,944.68
  6. Step 6: Final answer
    x = 136,873.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.